forked from AuroraMiddleware/gtk
Add gtk_compose_table_new_with_file() to create GtkComposeTable
https://bugzilla.gnome.org/show_bug.cgi?id=721120
This commit is contained in:
Takao Fujiwara
Matthias Clasen
parent
4535d09bea
commit
138187755f
@ -611,6 +611,7 @@ gtk_base_c_sources = \
|
||||
gtkcolorutils.c \
|
||||
gtkcombobox.c \
|
||||
gtkcomboboxtext.c \
|
||||
gtkcomposetable.c \
|
||||
gtkcontainer.c \
|
||||
gtkcssanimation.c \
|
||||
gtkcssanimatedstyle.c \
|
||||
|
||||
882
gtk/gtkcomposetable.c
Normal file
882
gtk/gtkcomposetable.c
Normal file
@ -0,0 +1,882 @@
|
||||
/* GTK - The GIMP Toolkit
|
||||
* Copyright (C) 2015 Takao Fujiwara <takao.fujiwara1@gmail.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <gdk/gdk.h>
|
||||
#include <glib.h>
|
||||
#include <glib/gprintf.h>
|
||||
#include <glib/gstdio.h>
|
||||
#include <locale.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#include "gtkcomposetable.h"
|
||||
#include "gtkimcontextsimple.h"
|
||||
|
||||
#include "gtkimcontextsimpleprivate.h"
|
||||
|
||||
|
||||
#define GTK_COMPOSE_TABLE_MAGIC "GtkComposeTable"
|
||||
#define GTK_COMPOSE_TABLE_VERSION (1)
|
||||
|
||||
typedef struct {
|
||||
gunichar *sequence;
|
||||
gunichar value[2];
|
||||
gchar *comment;
|
||||
} GtkComposeData;
|
||||
|
||||
|
||||
static void
|
||||
gtk_compose_data_free (GtkComposeData *compose_data)
|
||||
{
|
||||
g_free (compose_data->sequence);
|
||||
g_free (compose_data->comment);
|
||||
g_slice_free (GtkComposeData, compose_data);
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_compose_list_element_free (GtkComposeData *compose_data, gpointer data)
|
||||
{
|
||||
gtk_compose_data_free (compose_data);
|
||||
}
|
||||
|
||||
static gboolean
|
||||
is_codepoint (const gchar *str)
|
||||
{
|
||||
int i;
|
||||
|
||||
/* 'U' is not code point but 'U00C0' is code point */
|
||||
if (str[0] == '\0' || str[0] != 'U' || str[1] == '\0')
|
||||
return FALSE;
|
||||
|
||||
for (i = 1; str[i] != '\0'; i++)
|
||||
{
|
||||
if (!g_ascii_isxdigit (str[i]))
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
parse_compose_value (GtkComposeData *compose_data,
|
||||
const gchar *val,
|
||||
const gchar *line)
|
||||
{
|
||||
gchar **words = g_strsplit (val, "\"", 3);
|
||||
gunichar uch;
|
||||
|
||||
if (g_strv_length (words) < 3)
|
||||
{
|
||||
g_warning ("Need to double-quote the value: %s: %s", val, line);
|
||||
goto fail;
|
||||
}
|
||||
|
||||
uch = g_utf8_get_char (words[1]);
|
||||
|
||||
if (uch == 0)
|
||||
{
|
||||
g_warning ("Invalid value: %s: %s", val, line);
|
||||
goto fail;
|
||||
}
|
||||
else if (uch == '\\')
|
||||
{
|
||||
uch = words[1][1];
|
||||
|
||||
/* The escaped string "\"" is separated with '\\' and '"'. */
|
||||
if (uch == '\0' && words[2][0] == '"')
|
||||
uch = '"';
|
||||
/* The escaped octal */
|
||||
else if (uch >= '0' && uch <= '8')
|
||||
uch = g_ascii_strtoll(words[1] + 1, NULL, 8);
|
||||
/* If we need to handle other escape sequences. */
|
||||
else if (uch != '\\')
|
||||
g_assert_not_reached ();
|
||||
}
|
||||
|
||||
if (g_utf8_get_char (g_utf8_next_char (words[1])) > 0)
|
||||
{
|
||||
g_warning ("GTK+ supports to output one char only: %s: %s", val, line);
|
||||
goto fail;
|
||||
}
|
||||
|
||||
compose_data->value[1] = uch;
|
||||
|
||||
if (uch == '"')
|
||||
compose_data->comment = g_strdup (g_strstrip (words[2] + 1));
|
||||
else
|
||||
compose_data->comment = g_strdup (g_strstrip (words[2]));
|
||||
|
||||
g_strfreev (words);
|
||||
|
||||
return TRUE;
|
||||
|
||||
fail:
|
||||
g_strfreev (words);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
parse_compose_sequence (GtkComposeData *compose_data,
|
||||
const gchar *seq,
|
||||
const gchar *line)
|
||||
{
|
||||
gchar **words = g_strsplit (seq, "<", -1);
|
||||
int i;
|
||||
int n = 0;
|
||||
|
||||
if (g_strv_length (words) < 2)
|
||||
{
|
||||
g_warning ("key sequence format is <a> <b>...: %s", line);
|
||||
goto fail;
|
||||
}
|
||||
|
||||
for (i = 1; words[i] != NULL; i++)
|
||||
{
|
||||
gchar *start = words[i];
|
||||
gchar *end = strchr (words[i], '>');
|
||||
gchar *match;
|
||||
gunichar codepoint;
|
||||
|
||||
if (words[i][0] == '\0')
|
||||
continue;
|
||||
|
||||
if (start == NULL || end == NULL || end <= start)
|
||||
{
|
||||
g_warning ("key sequence format is <a> <b>...: %s", line);
|
||||
goto fail;
|
||||
}
|
||||
|
||||
match = g_strndup (start, end - start);
|
||||
|
||||
if (compose_data->sequence == NULL)
|
||||
compose_data->sequence = g_malloc (sizeof (gunichar) * 2);
|
||||
else
|
||||
compose_data->sequence = g_realloc (compose_data->sequence, sizeof (gunichar) * (n + 2));
|
||||
|
||||
if (is_codepoint (match))
|
||||
{
|
||||
codepoint = (gunichar) g_ascii_strtoll (match + 1, NULL, 16);
|
||||
compose_data->sequence[n] = codepoint;
|
||||
compose_data->sequence[n + 1] = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
codepoint = (gunichar) gdk_keyval_from_name (match);
|
||||
compose_data->sequence[n] = codepoint;
|
||||
compose_data->sequence[n + 1] = 0;
|
||||
}
|
||||
|
||||
if (codepoint == GDK_KEY_VoidSymbol)
|
||||
g_warning ("Could not get code point of keysym %s", match);
|
||||
g_free (match);
|
||||
n++;
|
||||
}
|
||||
|
||||
g_strfreev (words);
|
||||
if (0 == n || n >= GTK_MAX_COMPOSE_LEN)
|
||||
{
|
||||
g_warning ("The max number of sequences is %d: %s",
|
||||
GTK_MAX_COMPOSE_LEN, line);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
|
||||
fail:
|
||||
g_strfreev (words);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static void
|
||||
parse_compose_line (GList **compose_list,
|
||||
const gchar *line)
|
||||
{
|
||||
gchar **components = NULL;
|
||||
GtkComposeData *compose_data = NULL;
|
||||
|
||||
if (line[0] == '\0' || line[0] == '#')
|
||||
return;
|
||||
|
||||
if (g_str_has_prefix (line, "include "))
|
||||
return;
|
||||
|
||||
components = g_strsplit (line, ":", 2);
|
||||
|
||||
if (components[1] == NULL)
|
||||
{
|
||||
g_warning ("No delimiter ':': %s", line);
|
||||
goto fail;
|
||||
}
|
||||
|
||||
compose_data = g_slice_new0 (GtkComposeData);
|
||||
|
||||
if (!parse_compose_sequence (compose_data, g_strstrip (components[0]), line))
|
||||
goto fail;
|
||||
|
||||
if (!parse_compose_value (compose_data, g_strstrip (components[1]), line))
|
||||
goto fail;
|
||||
|
||||
g_strfreev (components);
|
||||
|
||||
*compose_list = g_list_append (*compose_list, compose_data);
|
||||
|
||||
return;
|
||||
|
||||
fail:
|
||||
g_strfreev (components);
|
||||
if (compose_data)
|
||||
gtk_compose_data_free (compose_data);
|
||||
}
|
||||
|
||||
static GList *
|
||||
gtk_compose_list_parse_file (const gchar *compose_file)
|
||||
{
|
||||
gchar *contents = NULL;
|
||||
gchar **lines = NULL;
|
||||
gsize length = 0;
|
||||
GError *error = NULL;
|
||||
GList *compose_list = NULL;
|
||||
int i;
|
||||
|
||||
if (!g_file_get_contents (compose_file, &contents, &length, &error))
|
||||
{
|
||||
g_warning ("%s", error->message);
|
||||
g_error_free (error);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
lines = g_strsplit (contents, "\n", -1);
|
||||
g_free (contents);
|
||||
for (i = 0; lines[i] != NULL; i++)
|
||||
parse_compose_line (&compose_list, lines[i]);
|
||||
g_strfreev (lines);
|
||||
|
||||
return compose_list;
|
||||
}
|
||||
|
||||
static GList *
|
||||
gtk_compose_list_check_duplicated (GList *compose_list)
|
||||
{
|
||||
GList *list;
|
||||
GList *removed_list = NULL;
|
||||
GtkComposeData *compose_data;
|
||||
|
||||
for (list = compose_list; list != NULL; list = list->next)
|
||||
{
|
||||
static guint16 keysyms[GTK_MAX_COMPOSE_LEN + 1];
|
||||
int i;
|
||||
int n_compose = 0;
|
||||
gboolean compose_finish;
|
||||
gunichar output_char;
|
||||
|
||||
compose_data = list->data;
|
||||
|
||||
for (i = 0; i < GTK_MAX_COMPOSE_LEN + 1; i++)
|
||||
keysyms[i] = 0;
|
||||
|
||||
for (i = 0; i < GTK_MAX_COMPOSE_LEN + 1; i++)
|
||||
{
|
||||
gunichar codepoint = compose_data->sequence[i];
|
||||
keysyms[i] = (guint16) codepoint;
|
||||
|
||||
if (codepoint == 0)
|
||||
break;
|
||||
|
||||
n_compose++;
|
||||
}
|
||||
|
||||
if (gtk_check_compact_table (>k_compose_table_compact,
|
||||
keysyms,
|
||||
n_compose,
|
||||
&compose_finish,
|
||||
NULL,
|
||||
&output_char) &&
|
||||
compose_finish)
|
||||
{
|
||||
if (compose_data->value[1] == output_char)
|
||||
removed_list = g_list_prepend (removed_list, compose_data);
|
||||
}
|
||||
else if (gtk_check_algorithmically (keysyms, n_compose, &output_char))
|
||||
{
|
||||
if (compose_data->value[1] == output_char)
|
||||
removed_list = g_list_prepend (removed_list, compose_data);
|
||||
}
|
||||
}
|
||||
|
||||
for (list = removed_list; list != NULL; list = list->next)
|
||||
{
|
||||
compose_data = list->data;
|
||||
compose_list = g_list_remove (compose_list, compose_data);
|
||||
gtk_compose_data_free (compose_data);
|
||||
}
|
||||
|
||||
g_list_free (removed_list);
|
||||
|
||||
return compose_list;
|
||||
}
|
||||
|
||||
static GList *
|
||||
gtk_compose_list_check_uint16 (GList *compose_list)
|
||||
{
|
||||
GList *list;
|
||||
GList *removed_list = NULL;
|
||||
GtkComposeData *compose_data;
|
||||
|
||||
for (list = compose_list; list != NULL; list = list->next)
|
||||
{
|
||||
int i;
|
||||
|
||||
compose_data = list->data;
|
||||
for (i = 0; i < GTK_MAX_COMPOSE_LEN; i++)
|
||||
{
|
||||
gunichar codepoint = compose_data->sequence[i];
|
||||
|
||||
if (codepoint == 0)
|
||||
break;
|
||||
|
||||
if (codepoint > 0xffff)
|
||||
{
|
||||
removed_list = g_list_prepend (removed_list, compose_data);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for (list = removed_list; list != NULL; list = list->next)
|
||||
{
|
||||
compose_data = list->data;
|
||||
compose_list = g_list_remove (compose_list, compose_data);
|
||||
gtk_compose_data_free (compose_data);
|
||||
}
|
||||
|
||||
g_list_free (removed_list);
|
||||
|
||||
return compose_list;
|
||||
}
|
||||
|
||||
static GList *
|
||||
gtk_compose_list_format_for_gtk (GList *compose_list,
|
||||
int *p_max_compose_len,
|
||||
int *p_n_index_stride)
|
||||
{
|
||||
GList *list;
|
||||
GtkComposeData *compose_data;
|
||||
int max_compose_len = 0;
|
||||
int i;
|
||||
gunichar codepoint;
|
||||
|
||||
for (list = compose_list; list != NULL; list = list->next)
|
||||
{
|
||||
compose_data = list->data;
|
||||
for (i = 0; i < GTK_MAX_COMPOSE_LEN + 1; i++)
|
||||
{
|
||||
codepoint = compose_data->sequence[i];
|
||||
if (codepoint == 0)
|
||||
{
|
||||
if (max_compose_len < i)
|
||||
max_compose_len = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (p_max_compose_len)
|
||||
*p_max_compose_len = max_compose_len;
|
||||
if (p_n_index_stride)
|
||||
*p_n_index_stride = max_compose_len + 2;
|
||||
|
||||
for (list = compose_list; list != NULL; list = list->next)
|
||||
{
|
||||
compose_data = list->data;
|
||||
codepoint = compose_data->value[1];
|
||||
if (codepoint > 0xffff)
|
||||
{
|
||||
compose_data->value[0] = codepoint / 0x10000;
|
||||
compose_data->value[1] = codepoint - codepoint / 0x10000 * 0x10000;
|
||||
}
|
||||
}
|
||||
|
||||
return compose_list;
|
||||
}
|
||||
|
||||
static gint
|
||||
gtk_compose_data_compare (gpointer a,
|
||||
gpointer b,
|
||||
gpointer data)
|
||||
{
|
||||
GtkComposeData *compose_data_a = a;
|
||||
GtkComposeData *compose_data_b = b;
|
||||
int max_compose_len = GPOINTER_TO_INT (data);
|
||||
int i;
|
||||
for (i = 0; i < max_compose_len; i++)
|
||||
{
|
||||
gunichar code_a = compose_data_a->sequence[i];
|
||||
gunichar code_b = compose_data_b->sequence[i];
|
||||
|
||||
if (code_a != code_b)
|
||||
return code_a - code_b;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_compose_list_print (GList *compose_list,
|
||||
int max_compose_len,
|
||||
int n_index_stride)
|
||||
{
|
||||
GList *list;
|
||||
int i, j;
|
||||
GtkComposeData *compose_data;
|
||||
int total_size = 0;
|
||||
gunichar upper;
|
||||
gunichar lower;
|
||||
const gchar *comment;
|
||||
const gchar *keyval;
|
||||
|
||||
for (list = compose_list; list != NULL; list = list->next)
|
||||
{
|
||||
compose_data = list->data;
|
||||
g_printf (" ");
|
||||
|
||||
for (i = 0; i < max_compose_len; i++)
|
||||
{
|
||||
if (compose_data->sequence[i] == 0)
|
||||
{
|
||||
for (j = i; j < max_compose_len; j++)
|
||||
{
|
||||
if (j == max_compose_len - 1)
|
||||
g_printf ("0,\n");
|
||||
else
|
||||
g_printf ("0, ");
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
keyval = gdk_keyval_name (compose_data->sequence[i]);
|
||||
if (i == max_compose_len - 1)
|
||||
g_printf ("%s,\n", keyval ? keyval : "(null)");
|
||||
else
|
||||
g_printf ("%s, ", keyval ? keyval : "(null)");
|
||||
}
|
||||
upper = compose_data->value[0];
|
||||
lower = compose_data->value[1];
|
||||
comment = compose_data->comment;
|
||||
|
||||
if (list == g_list_last (compose_list))
|
||||
g_printf (" %#06X, %#06X /* %s */\n", upper, lower, comment);
|
||||
else
|
||||
g_printf (" %#06X, %#06X, /* %s */\n", upper, lower, comment);
|
||||
|
||||
total_size += n_index_stride;
|
||||
}
|
||||
|
||||
g_printerr ("TOTAL_SIZE: %d\nMAX_COMPOSE_LEN: %d\nN_INDEX_STRIDE: %d\n",
|
||||
total_size, max_compose_len, n_index_stride);
|
||||
}
|
||||
|
||||
/* Implemented from g_str_hash() */
|
||||
static guint32
|
||||
gtk_compose_table_data_hash (gconstpointer v, int length)
|
||||
{
|
||||
const guint16 *p, *head;
|
||||
unsigned char c;
|
||||
guint32 h = 5381;
|
||||
|
||||
for (p = v, head = v; (p - head) < length; p++)
|
||||
{
|
||||
c = 0x00ff & (*p >> 8);
|
||||
h = (h << 5) + h + c;
|
||||
c = 0x00ff & *p;
|
||||
h = (h << 5) + h + c;
|
||||
}
|
||||
|
||||
return h;
|
||||
}
|
||||
|
||||
static gchar *
|
||||
gtk_compose_hash_get_cache_path (guint32 hash)
|
||||
{
|
||||
gchar *basename = NULL;
|
||||
gchar *dir = NULL;
|
||||
gchar *path = NULL;
|
||||
|
||||
basename = g_strdup_printf ("%08x.cache", hash);
|
||||
|
||||
dir = g_build_filename (g_get_user_cache_dir (), "gtk-3.0", "compose", NULL);
|
||||
path = g_build_filename (dir, basename, NULL);
|
||||
if (g_mkdir_with_parents (dir, 0755) != 0)
|
||||
{
|
||||
g_warning ("Failed to mkdir %s", dir);
|
||||
g_free (path);
|
||||
path = NULL;
|
||||
}
|
||||
|
||||
g_free (dir);
|
||||
g_free (basename);
|
||||
|
||||
return path;
|
||||
}
|
||||
|
||||
static gchar *
|
||||
gtk_compose_table_serialize (GtkComposeTable *compose_table,
|
||||
gsize *count)
|
||||
{
|
||||
gchar *p, *contents;
|
||||
gsize length, total_length;
|
||||
guint16 bytes;
|
||||
const gchar *header = GTK_COMPOSE_TABLE_MAGIC;
|
||||
const guint16 version = GTK_COMPOSE_TABLE_VERSION;
|
||||
guint16 max_seq_len = compose_table->max_seq_len;
|
||||
guint16 index_stride = max_seq_len + 2;
|
||||
guint16 n_seqs = compose_table->n_seqs;
|
||||
guint32 i;
|
||||
|
||||
g_return_val_if_fail (compose_table != NULL, NULL);
|
||||
g_return_val_if_fail (max_seq_len > 0, NULL);
|
||||
g_return_val_if_fail (index_stride > 0, NULL);
|
||||
|
||||
length = strlen (header);
|
||||
total_length = length + sizeof (guint16) * (3 + index_stride * n_seqs);
|
||||
if (count)
|
||||
*count = total_length;
|
||||
|
||||
p = contents = g_slice_alloc (total_length);
|
||||
|
||||
memcpy (p, header, length);
|
||||
p += length;
|
||||
|
||||
/* Copy by byte for endian */
|
||||
#define BYTE_COPY_FROM_BUF(element) \
|
||||
bytes = GUINT16_TO_BE ((element)); \
|
||||
memcpy (p, &bytes, length); \
|
||||
p += length; \
|
||||
if (p - contents > total_length) \
|
||||
{ \
|
||||
g_warning ("data size %ld is bigger than %ld", \
|
||||
p - contents, total_length); \
|
||||
g_free (contents); \
|
||||
if (count) \
|
||||
*count = 0; \
|
||||
return NULL; \
|
||||
}
|
||||
|
||||
length = sizeof (guint16);
|
||||
|
||||
BYTE_COPY_FROM_BUF (version);
|
||||
BYTE_COPY_FROM_BUF (max_seq_len);
|
||||
BYTE_COPY_FROM_BUF (n_seqs);
|
||||
|
||||
for (i = 0; i < (guint32) index_stride * n_seqs; i++)
|
||||
{
|
||||
BYTE_COPY_FROM_BUF (compose_table->data[i]);
|
||||
}
|
||||
|
||||
#undef BYTE_COPY_FROM_BUF
|
||||
|
||||
return contents;
|
||||
}
|
||||
|
||||
static gint
|
||||
gtk_compose_table_find (gconstpointer data1,
|
||||
gconstpointer data2)
|
||||
{
|
||||
const GtkComposeTable *compose_table = (const GtkComposeTable *) data1;
|
||||
guint32 hash = (guint32) GPOINTER_TO_INT (data2);
|
||||
return compose_table->id != hash;
|
||||
}
|
||||
|
||||
static GtkComposeTable *
|
||||
gtk_compose_table_load_cache (const gchar *compose_file)
|
||||
{
|
||||
guint32 hash;
|
||||
gchar *path = NULL;
|
||||
gchar *contents = NULL;
|
||||
gchar *p;
|
||||
GStatBuf original_buf;
|
||||
GStatBuf cache_buf;
|
||||
gsize total_length;
|
||||
gsize length;
|
||||
GError *error = NULL;
|
||||
guint16 bytes;
|
||||
guint16 version;
|
||||
guint16 max_seq_len;
|
||||
guint16 index_stride;
|
||||
guint16 n_seqs;
|
||||
guint32 i;
|
||||
guint16 *gtk_compose_seqs = NULL;
|
||||
GtkComposeTable *retval;
|
||||
|
||||
hash = g_str_hash (compose_file);
|
||||
if ((path = gtk_compose_hash_get_cache_path (hash)) == NULL)
|
||||
return NULL;
|
||||
if (!g_file_test (path, G_FILE_TEST_EXISTS))
|
||||
goto out_load_cache;
|
||||
|
||||
g_stat (compose_file, &original_buf);
|
||||
g_stat (path, &cache_buf);
|
||||
if (original_buf.st_mtime > cache_buf.st_mtime)
|
||||
goto out_load_cache;
|
||||
if (!g_file_get_contents (path, &contents, &total_length, &error))
|
||||
{
|
||||
g_warning ("Failed to get cache content %s: %s", path, error->message);
|
||||
g_error_free (error);
|
||||
goto out_load_cache;
|
||||
}
|
||||
|
||||
/* Copy by byte for endian */
|
||||
#define BYTE_COPY_TO_BUF(element) \
|
||||
memcpy (&bytes, p, length); \
|
||||
element = GUINT16_FROM_BE (bytes); \
|
||||
p += length; \
|
||||
if (p - contents > total_length) \
|
||||
{ \
|
||||
g_warning ("Broken cache content %s in %s", path, #element); \
|
||||
goto out_load_cache; \
|
||||
}
|
||||
|
||||
p = contents;
|
||||
if (g_ascii_strncasecmp (p, GTK_COMPOSE_TABLE_MAGIC,
|
||||
strlen (GTK_COMPOSE_TABLE_MAGIC)) != 0)
|
||||
{
|
||||
g_warning ("The file is not a GtkComposeTable cache file %s", path);
|
||||
goto out_load_cache;
|
||||
}
|
||||
p += strlen (GTK_COMPOSE_TABLE_MAGIC);
|
||||
if (p - contents > total_length)
|
||||
{
|
||||
g_warning ("Broken cache content %s at head", path);
|
||||
goto out_load_cache;
|
||||
}
|
||||
|
||||
length = sizeof (guint16);
|
||||
|
||||
BYTE_COPY_TO_BUF (version);
|
||||
if (version != GTK_COMPOSE_TABLE_VERSION)
|
||||
{
|
||||
g_warning ("cache version is different %u != %u",
|
||||
version, GTK_COMPOSE_TABLE_VERSION);
|
||||
goto out_load_cache;
|
||||
}
|
||||
|
||||
BYTE_COPY_TO_BUF (max_seq_len);
|
||||
BYTE_COPY_TO_BUF (n_seqs);
|
||||
|
||||
if (max_seq_len == 0 || n_seqs == 0)
|
||||
{
|
||||
g_warning ("cache size is not correct %d %d", max_seq_len, n_seqs);
|
||||
goto out_load_cache;
|
||||
}
|
||||
|
||||
index_stride = max_seq_len + 2;
|
||||
gtk_compose_seqs = g_new0 (guint16, n_seqs * index_stride);
|
||||
|
||||
for (i = 0; i < (guint32) index_stride * n_seqs; i++)
|
||||
{
|
||||
BYTE_COPY_TO_BUF (gtk_compose_seqs[i]);
|
||||
}
|
||||
|
||||
retval = g_new0 (GtkComposeTable, 1);
|
||||
retval->data = gtk_compose_seqs;
|
||||
retval->max_seq_len = max_seq_len;
|
||||
retval->n_seqs = length;
|
||||
retval->id = hash;
|
||||
|
||||
g_free (contents);
|
||||
g_free (path);
|
||||
|
||||
return retval;
|
||||
|
||||
#undef BYTE_COPY_TO_BUF
|
||||
|
||||
out_load_cache:
|
||||
g_free (gtk_compose_seqs);
|
||||
g_free (contents);
|
||||
g_free (path);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_compose_table_save_cache (GtkComposeTable *compose_table)
|
||||
{
|
||||
gchar *path = NULL;
|
||||
gchar *contents = NULL;
|
||||
GError *error = NULL;
|
||||
gsize length = 0;
|
||||
|
||||
if ((path = gtk_compose_hash_get_cache_path (compose_table->id)) == NULL)
|
||||
return;
|
||||
|
||||
contents = gtk_compose_table_serialize (compose_table, &length);
|
||||
if (contents == NULL)
|
||||
{
|
||||
g_warning ("Failed to serialize compose table %s", path);
|
||||
goto out_save_cache;
|
||||
}
|
||||
if (!g_file_set_contents (path, contents, length, &error))
|
||||
{
|
||||
g_warning ("Failed to save compose table %s: %s", path, error->message);
|
||||
g_error_free (error);
|
||||
goto out_save_cache;
|
||||
}
|
||||
|
||||
out_save_cache:
|
||||
g_slice_free1 (length, contents);
|
||||
g_free (path);
|
||||
}
|
||||
|
||||
static GtkComposeTable *
|
||||
gtk_compose_table_new_with_list (GList *compose_list,
|
||||
int max_compose_len,
|
||||
int n_index_stride,
|
||||
guint32 hash)
|
||||
{
|
||||
guint length;
|
||||
guint n = 0;
|
||||
int i, j;
|
||||
guint16 *gtk_compose_seqs = NULL;
|
||||
GList *list;
|
||||
GtkComposeData *compose_data;
|
||||
GtkComposeTable *retval = NULL;
|
||||
|
||||
g_return_val_if_fail (compose_list != NULL, NULL);
|
||||
|
||||
length = g_list_length (compose_list);
|
||||
|
||||
gtk_compose_seqs = g_new0 (guint16, length * n_index_stride);
|
||||
|
||||
for (list = compose_list; list != NULL; list = list->next)
|
||||
{
|
||||
compose_data = list->data;
|
||||
for (i = 0; i < max_compose_len; i++)
|
||||
{
|
||||
if (compose_data->sequence[i] == 0)
|
||||
{
|
||||
for (j = i; j < max_compose_len; j++)
|
||||
gtk_compose_seqs[n++] = 0;
|
||||
break;
|
||||
}
|
||||
gtk_compose_seqs[n++] = (guint16) compose_data->sequence[i];
|
||||
}
|
||||
gtk_compose_seqs[n++] = (guint16) compose_data->value[0];
|
||||
gtk_compose_seqs[n++] = (guint16) compose_data->value[1];
|
||||
}
|
||||
|
||||
retval = g_new0 (GtkComposeTable, 1);
|
||||
retval->data = gtk_compose_seqs;
|
||||
retval->max_seq_len = max_compose_len;
|
||||
retval->n_seqs = length;
|
||||
retval->id = hash;
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
||||
GtkComposeTable *
|
||||
gtk_compose_table_new_with_file (const gchar *compose_file)
|
||||
{
|
||||
GList *compose_list = NULL;
|
||||
GtkComposeTable *compose_table;
|
||||
int max_compose_len = 0;
|
||||
int n_index_stride = 0;
|
||||
|
||||
g_assert (compose_file != NULL);
|
||||
|
||||
compose_list = gtk_compose_list_parse_file (compose_file);
|
||||
if (compose_list == NULL)
|
||||
return NULL;
|
||||
compose_list = gtk_compose_list_check_duplicated (compose_list);
|
||||
compose_list = gtk_compose_list_check_uint16 (compose_list);
|
||||
compose_list = gtk_compose_list_format_for_gtk (compose_list,
|
||||
&max_compose_len,
|
||||
&n_index_stride);
|
||||
compose_list = g_list_sort_with_data (compose_list,
|
||||
(GCompareDataFunc) gtk_compose_data_compare,
|
||||
GINT_TO_POINTER (max_compose_len));
|
||||
if (compose_list == NULL)
|
||||
{
|
||||
g_warning ("compose file %s does not include any keys besides keys in en-us compose file", compose_file);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (g_getenv ("GTK_COMPOSE_TABLE_PRINT") != NULL)
|
||||
gtk_compose_list_print (compose_list, max_compose_len, n_index_stride);
|
||||
|
||||
compose_table = gtk_compose_table_new_with_list (compose_list,
|
||||
max_compose_len,
|
||||
n_index_stride,
|
||||
g_str_hash (compose_file));
|
||||
g_list_free_full (compose_list, (GDestroyNotify) gtk_compose_list_element_free);
|
||||
return compose_table;
|
||||
}
|
||||
|
||||
GSList *
|
||||
gtk_compose_table_list_add_array (GSList *compose_tables,
|
||||
const guint16 *data,
|
||||
gint max_seq_len,
|
||||
gint n_seqs)
|
||||
{
|
||||
guint32 hash;
|
||||
GtkComposeTable *compose_table;
|
||||
int n_index_stride = max_seq_len + 2;
|
||||
int length = n_index_stride * n_seqs;
|
||||
int i;
|
||||
guint16 *gtk_compose_seqs = NULL;
|
||||
|
||||
g_return_val_if_fail (data != NULL, compose_tables);
|
||||
g_return_val_if_fail (max_seq_len <= GTK_MAX_COMPOSE_LEN, compose_tables);
|
||||
|
||||
hash = gtk_compose_table_data_hash (data, length);
|
||||
|
||||
if (g_slist_find_custom (compose_tables, GINT_TO_POINTER (hash), gtk_compose_table_find) != NULL)
|
||||
return compose_tables;
|
||||
|
||||
gtk_compose_seqs = g_new0 (guint16, length);
|
||||
for (i = 0; i < length; i++)
|
||||
gtk_compose_seqs[i] = data[i];
|
||||
|
||||
compose_table = g_new (GtkComposeTable, 1);
|
||||
compose_table->data = gtk_compose_seqs;
|
||||
compose_table->max_seq_len = max_seq_len;
|
||||
compose_table->n_seqs = n_seqs;
|
||||
compose_table->id = hash;
|
||||
|
||||
return g_slist_prepend (compose_tables, compose_table);
|
||||
}
|
||||
|
||||
GSList *
|
||||
gtk_compose_table_list_add_file (GSList *compose_tables,
|
||||
const gchar *compose_file)
|
||||
{
|
||||
guint32 hash;
|
||||
GtkComposeTable *compose_table;
|
||||
|
||||
g_return_val_if_fail (compose_file != NULL, compose_tables);
|
||||
|
||||
hash = g_str_hash (compose_file);
|
||||
if (g_slist_find_custom (compose_tables, GINT_TO_POINTER (hash), gtk_compose_table_find) != NULL)
|
||||
return compose_tables;
|
||||
|
||||
compose_table = gtk_compose_table_load_cache (compose_file);
|
||||
if (compose_table != NULL)
|
||||
return g_slist_prepend (compose_tables, compose_table);
|
||||
|
||||
if ((compose_table = gtk_compose_table_new_with_file (compose_file)) == NULL)
|
||||
return compose_tables;
|
||||
|
||||
gtk_compose_table_save_cache (compose_table);
|
||||
return g_slist_prepend (compose_tables, compose_table);
|
||||
}
|
||||
@ -28,9 +28,10 @@ typedef struct _GtkComposeTableCompact GtkComposeTableCompact;
|
||||
|
||||
struct _GtkComposeTable
|
||||
{
|
||||
const guint16 *data;
|
||||
guint16 *data;
|
||||
gint max_seq_len;
|
||||
gint n_seqs;
|
||||
guint32 id;
|
||||
};
|
||||
|
||||
struct _GtkComposeTableCompact
|
||||
@ -41,6 +42,14 @@ struct _GtkComposeTableCompact
|
||||
gint n_index_stride;
|
||||
};
|
||||
|
||||
GtkComposeTable * gtk_compose_table_new_with_file (const gchar *compose_file);
|
||||
GSList *gtk_compose_table_list_add_array (GSList *compose_tables,
|
||||
const guint16 *data,
|
||||
gint max_seq_len,
|
||||
gint n_seqs);
|
||||
GSList *gtk_compose_table_list_add_file (GSList *compose_tables,
|
||||
const gchar *compose_file);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GTK_COMPOSETABLE_H__ */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user